Implement Services Interface

README.md

@@ -3,7 +3,10 @@
 [![Latest Stable Version](https://poser.pugx.org/dhii/services/v)](//packagist.org/packages/dhii/services)
 [![Latest Unstable Version](https://poser.pugx.org/dhii/services/v/unstable)](//packagist.org/packages/dhii/services)
 
-This package provides a collection of service factory and extension definition implementations that can be used with [PSR-11 containers][psr11], as well as the experimental [service provider spec][sp], to replace the anonymous functions that are typically used for definitions.
+This package provides a collection of service factory and extension definition implementations
+that can be used with [PSR-11][] containers, as well as the experimental
+[Service Provider][] spec, to replace the anonymous functions that are typically used
+for definitions. Services here implement [`dhii/services-interface`][]. 
 
 ----
 
@@ -280,8 +283,9 @@ By having all services declare their dependencies, we open up the possibility to
 
 No such tool exists at the time of writing, but I _do_ plan on taking on this task.
 
-[psr11]: https://github.com/php-fig/container
-[sp]: https://github.com/container-interop/service-provider
+[PSR-11]: https://github.com/php-fig/container
+[Service Provider]: https://github.com/container-interop/service-provider
+[`dhii/services-interface`]: https://github.com/Dhii/services-interface
 [composer]: https://getcomposer.org/
 [__invoke]: https://www.php.net/manual/en/language.oop5.magic.php#object.invoke
 [getDeps]: https://github.com/Dhii/services/blob/initial-version/src/Service.php#L49

composer.json

@@ -13,7 +13,8 @@
     "minimum-stability": "dev",
     "require": {
         "php": "^7.1 | ^8.0",
-        "psr/container": "^1.0"
+        "psr/container": "^1.0",
+        "dhii/services-interface": "^0.1.0-alpha1"
     },
     "require-dev": {
         "phpunit/phpunit": "^7.0 | ^8.0 | ^9.0",

src/Extension.php

@@ -25,7 +25,7 @@
  *
  * @see Factory For a similar implementation that does not accept a previous service value.
  */
-class Extension extends Service
+class Extension extends Service implements ExtensionInterface
 {
     use ResolveKeysCapableTrait;
 

src/Factory.php

@@ -23,7 +23,7 @@
  * @see   Constructor For a similar implementation that automatically injects dependencies into constructors.
  * @see   Extension For a similar implementation that can be used with extension services.
  */
-class Factory extends Service
+class Factory extends Service implements ServiceInterface
 {
     use ResolveKeysCapableTrait;